nuts › plain hexagon nuts
AS5178-06
Nut
Description
Thread Size: 1/2", Nut Height: 1/4", Head Width: 7/8"
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Countersink Angle | 89.5 degrees minimum nut and 90.5 degrees maximum nut |
| Material | Steel |
| Material Specification | Qq-s-633-canc fed spec single material response |
| Nut Height | 0.250 inches minimum and 0.281 inches maximum |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | UNF |
| Thread Size | 0.562 |
| Width Across Flats | 0.809 inches minimum and 0.816 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for AS5178-06 — functionally equivalent.
- AN924-6 Listed alternate 9/16-18 · Steel
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error